Re: [Emc-users] Axis configuration error

2022-01-27 Thread gene heskett
n to the first spindle.) However I suspect something else is aglay besides that, so I'll leave it to the experts. I did see you're on buster, but not what architecture. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and a

Re: [Emc-users] miniature taper-lock type pulleys

2022-01-27 Thread gene heskett
ber the nozzle is .4mm, meaning its lying down plastic at 8.35mm whose half the nozzle diameter smaller for the inside measurement or around 7.97mm, so it is a drive with a small hammer fit the first time installed on the motor shaft. Accuracy and a 3d print do not really belong in the same parag

Re: [Emc-users] miniature taper-lock type pulleys

2022-01-26 Thread gene heskett
slipped and tore up the shaft trying to tighten the grub screw enough to stop the slippage, I took it to TLM and rebored it for a homemade taperlock. flex slots for all that cut with EDM. zero burrs to clean up. Hell to do the jack screws inside that yoke, very little room for the allen wre

Re: [Emc-users] shop air? Not No, but Heck No

2022-01-22 Thread gene heskett
On Sunday, January 16, 2022 6:21:14 AM EST gene heskett wrote: > I found it!! > > What it it? It is an air pump, diaphram type, delivering 10L of air a > minute, at pressures up to 23 psi. Running on 12 volts, 1.2 amps. $6.95 > a copy. > > <https://www.mpja.com/12V-Diaph

Re: [Emc-users] motor coolant for water cooled spindles.

2022-01-19 Thread gene heskett
On Sunday, January 16, 2022 3:34:37 PM EST gene heskett wrote: replying to myself to issue a warning and a fix. > I just fired up the 6040 to make a pocket for a 3mm sq nut. Noted that > I put > half a cup of lysol bathroom spray in it. But haven't disconnected it > so I can dum

Re: [Emc-users] motor coolant for water cooled spindles.

2022-01-18 Thread gene heskett
my imagination out to play w/o a chaperone. ;) Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the law respectable.

Re: [Emc-users] motor coolant for water cooled spindles.

2022-01-17 Thread gene heskett
, Jan 16, 2022, 3:37 PM gene heskett wrote: > > I just fired up the 6040 to make a pocket for a 3mm sq nut. Noted > > that > > the coolant tank was down about an inch from evaporation, but hand > > hand on the tank could feel the pump buzzing so I assumed it was > > w

Re: [Emc-users] motor coolant for water cooled spindles.

2022-01-17 Thread gene heskett
9fd08d9d9bca91f%7C5758544c573f47 > cebee96c3e0806fb43%7C0%7C0%7C637780226600099463%7CUnknown%7CTWFpbGZsb3d > 8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3 > 000&sdata=p5fVwgT70wXoRoqyPQS%2Fu2TIVFlRWO9GhlwcdnZAZvU%3D&rese > rved=0 > > > _

Re: [Emc-users] motor coolant for water cooled spindles.

2022-01-16 Thread gene heskett
On Sunday, January 16, 2022 5:05:13 PM EST andy pugh wrote: > On Sun, 16 Jan 2022 at 21:44, gene heskett wrote: > > I first started out with rv antifreeze, but it spoiled and jelled > > solid > I think I would be tempted to try the waterless coolant that they sell > for ca

Re: [Emc-users] motor coolant for water cooled spindles.

2022-01-16 Thread gene heskett
.. This is not a sealed system running at 250F so its not self sterilizing like an auto system is. Its a sorta clear plastic document storage box with a buckle down lid, holds about 5 gallons, is vermin & insect tight, but not air tight. Thanks Andrew. > On Mon, 17 Jan 2022, 09:37 gene hes

[Emc-users] motor coolant for water cooled spindles.

2022-01-16 Thread gene heskett
p a closed system sterile, non-corrosive and functional? Thanks all. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must fi

Re: [Emc-users] shop air? Not No, but Heck No

2022-01-16 Thread gene heskett
anymore is the portable unit for a nail gun. I tried my gun on a portable, huge dewalt framing driver, but the portable didn't always sink a 3.5" framing nail if you worked at a git-r- done pace. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: so

[Emc-users] shop air? Not No, but Heck No

2022-01-16 Thread gene heskett
asting all that horsepower to make 125 psi air which I have to regulate down to < 5 psi to feed the mister its air is almost criminal. Not to mention this is 72db, quite a bit quieter than a 2hp harbor freight compressor. Cheers, Gene Heskett. -- "There are four boxes to be used in defe

Re: [Emc-users] ER-32 Collet Wrench

2022-01-16 Thread gene heskett
rinted PETG. Running on the kitchen counter for about a week now. With enough holding torque to let me carve steel square threads in a 1" or bigger rod. Not as pretty as Nooks, but usable. :o) I'm thinking woodworking bench leg vise bolts. But those might be maple wood. And I'

Re: [Emc-users] ER-32 Collet Wrench

2022-01-15 Thread gene heskett
y, my e-mail server was one that got attacked last wed morning at 3AM, and is just now coming back to life. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we des

Re: [Emc-users] CNC controlled, plasma torch

2022-01-10 Thread gene heskett
On Monday, January 10, 2022 1:51:18 PM EST Ed wrote: > On 1/10/22 10:52 AM, gene heskett wrote: > >> I had a computer die that was running one of my vertical mills. I > >> changed it out by swapping HD and driver card to a different computer. > >> Works OK except at

Re: [Emc-users] CNC controlled, plasma torch

2022-01-10 Thread gene heskett
had 4 hard drive failures in that same time frame. So far, SSD's Just Don't fail. I've a mixture of Kingston, Adata & Samsung SSD's here, about 10 total. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Pleas

Re: [Emc-users] Very good software backlash control demo.

2022-01-06 Thread gene heskett
On Thursday, January 6, 2022 2:35:25 PM EST Peter C. Wallace wrote: > On Thu, 6 Jan 2022, gene heskett wrote: > > Perhaps, Peter or Chris, a post describing what that filter CAN do is in > > order. I've looked at its man page but if there was a useful function > > th

Re: [Emc-users] Very good software backlash control demo.

2022-01-06 Thread gene heskett
ion there I didn't trigger on it. And here, the web links are inactive plus it doesn't copy/paste. Is that supposed to work? Man underscores the links but nothing happens. > > Chris Albertson > > Redondo Beach, California > > Peter Wallace > Mesa Electronics > > >

Re: [Emc-users] Very good software backlash control demo.

2022-01-04 Thread gene heskett
ncy, but we all knew that. I'm also not sure how scales could be mounted on the Sheldon and be protected against hot swarf. Might need some pix from others that have done it before me. Just thinking out loud. And as near as I can tell its working fine as as is. Cheers, Gene Heskett. --

Re: [Emc-users] Very good software backlash control demo.

2022-01-03 Thread gene heskett
https://youtu.be/SioCwvR_PYY > > > > > > > > Why do I care? I have a robot-dog leg here on my workbench using > > > > hobby > > > > > > servos, let's say performance could be improved. But the anti-lash > > > > technique m

Re: [Emc-users] Very good software backlash control demo.

2022-01-03 Thread gene heskett
gt; > sam This is the 3rd or 4th time I've read that the I is derived from the scale. Would this not be just as effective if the PID's could be combined into one but with a separate input pin from the scale for the I correction? Seems like an idea to investigate. [...] Cheers,

Re: [Emc-users] Harmonic Drive

2021-12-30 Thread gene heskett
an inexpensive method to contain the front gear. Suggestions, as > always are welcome. > > John > > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc

Re: [Emc-users] Choice of CNC conversions

2021-12-28 Thread gene heskett
neth, take care and stay well. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brande

Re: [Emc-users] Choice of CNC conversions

2021-12-27 Thread gene heskett
LinuxCNC 2.8.2 (or latest) with a HAL/INI file > specifically set up for that hardware. Literally install OS from .iso > and there's a desktop ICON to run LCNC for that hardware. > > But going back up to the LCNC supported hardware link it turns out there's > almost n

Re: [Emc-users] Choice of CNC conversions

2021-12-25 Thread gene heskett
lightning fast but the new KDE is still not quite ready for prime time. And my new glasses aren't ready yet either. So you nd Barb take care till I've got some news on your front. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jur

Re: [Emc-users] Choice of CNC conversions

2021-12-25 Thread gene heskett
y small box limiting what you can do. Merry Christmas to all. > Enough rambling for now. > John I agree Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we

Re: [Emc-users] Harmonic Drive

2021-12-22 Thread gene heskett
sed all the wheels I did some > > detailed inspection and I cannot see them ever contacting. The cup is > > different from the belt perhaps? Maybe the belt could be held in place > > by the extra wheels but the cup is way too stiff for that. > > __

Re: [Emc-users] Harmonic Drive

2021-12-22 Thread gene heskett
On Wednesday, December 22, 2021 7:57:56 PM EST John Dammeyer wrote: > Hi Gene, > > > From: gene heskett [mailto:ghesk...@shentel.net] > > > > On Wednesday, December 22, 2021 12:45:11 PM EST John Dammeyer wrote: > > > > From: gene heskett [mailto:ghesk

Re: [Emc-users] Harmonic Drive

2021-12-22 Thread gene heskett
On Wednesday, December 22, 2021 12:45:11 PM EST John Dammeyer wrote: > > From: gene heskett [mailto:ghesk...@shentel.net] > > > > On Wednesday, December 22, 2021 4:24:30 AM EST John Dammeyer wrote: > > > Here's the 140 Tooth cup and 147 Spline for a 20:1 ratio w

Re: [Emc-users] Harmonic Drive

2021-12-22 Thread gene heskett
nges to try and > get rid of the bump. Should be able to mount it into the existing box and > lid and try it out. > > John > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge

Re: [Emc-users] Harmonic Drive

2021-12-20 Thread gene heskett
wn editor. > > -Original Message- > > From: gene heskett [mailto:ghesk...@shentel.net] > > Sent: December-20-21 3:10 PM > > To: Enhanced Machine Controller (EMC) > > Subject: Re: [Emc-users] Harmonic Drive > > > > On Monday, December 20, 2021 1:49:18 PM EST

Re: [Emc-users] Harmonic Drive

2021-12-20 Thread gene heskett
> and they also have a bearing race between. Or we make a similar > > > > > > bearing > > > > > > > > mount to the rear one for the front with the gear cluster holding > > > > this > > > > > in > > > > > &g

Re: [Emc-users] Harmonic Drive

2021-12-17 Thread gene heskett
6+ megabyte jpg's.and John K. blocks the post > > even when I shrink them to under 200k in gimp. > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > .

Re: [Emc-users] Harmonic Drive

2021-12-17 Thread gene heskett
the various parts in the preview window of OpenSCAD, latest beta version. Or go get a bottle of BB's and some PETG and print it. But my rings are a bit narrow, so I'll eventually make them 4 or 5mm wider in addition to the larger output sprocket. > Thanks > John Cheers, Ge

Re: [Emc-users] Harmonic Drive

2021-12-17 Thread gene heskett
y Prusa yet. So today I've not done that much. Take care and stay well all. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law,

Re: [Emc-users] Harmonic Drive

2021-12-17 Thread gene heskett
r impact tooth engagement but thats 100% subjective on my part. The fact that its still running at 200 to 500 revs of the driving motor for close to 90 days now seems to verify that. Will a steel one do that? IDK. OTOH, if it does break, its only 10 bucks worth of PETG and BB's. Print ano

Re: [Emc-users] Harmonic Drive

2021-12-16 Thread gene heskett
On Thursday, December 16, 2021 5:03:10 PM EST John Dammeyer wrote: > > From: gene heskett [mailto:ghesk...@shentel.net] > > Subject: Re: [Emc-users] Harmonic Drive > > > > On Thursday, December 16, 2021 1:10:30 PM EST John Dammeyer wrote: > > > A pencil line on

Re: [Emc-users] Harmonic Drive

2021-12-16 Thread gene heskett
to 84:1. > I'm very curious how strong this actually is and where the weak points might > be. Some guesses, possibly wrong, above. Take care and stay well, Todd. > Todd Zuercher > P. Graham Dunn Inc. > 630 Henry Street > Dalton, Ohio 44618 > Phone: (330)828-2105ex

Re: [Emc-users] Harmonic Drive

2021-12-16 Thread gene heskett
orks and then decide if I want to > > > use my module 1.0mm cutters to make them out of metal. > > > > > > Or just print ones with inset relief to hold 8x22x7 standard bearings. > > > John > > > > > > > > > ___ > &

Re: [Emc-users] Harmonic Drive

2021-12-16 Thread gene heskett
ssed rollers for bearings should be better than the BB's I used, but they also take up lots more room. Food for thought. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author,

Re: [Emc-users] Harmonic Drive

2021-12-15 Thread gene heskett
ith that big a bore, the pinion driver disk could be made with substantial posts, and only one sided and still be rigid enough. Just thinking out loud. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order.&q

[Emc-users] new lower price on the bts-7960B driver I'm using for the A drive servo

2021-12-15 Thread gene heskett
on nylon standoffs, seems the bolt holes are connected to the heat sink. And might not be grounded. Use a pwmgen in mode 2 to drive it. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt

Re: [Emc-users] Harmonic Drive

2021-12-14 Thread Gene Heskett
On Tue, 14 Dec, 2021 at 1:53 PM, John Dammeyer wrote: To: 'enhanced machine controller (emc)' Gene Reading through my copy of "Gears and Gear Cutting" by Ivan Law (#19 in the workshop practice series) and some more research suggests that since both the cup and the ring gear should have over 1

Re: [Emc-users] Harmonic Drive

2021-12-14 Thread Gene Heskett
On Tue, 14 Dec, 2021 at 1:07 PM, Todd Zuercher wrote: To: enhanced machine controller (emc) The "pinned" pinions are for if they are to be conventionally made metal gears to accommodate easy conventional manufacturing. If they were printed, they could simply printed as one piece. A metal se

Re: [Emc-users] Harmonic Drive

2021-12-14 Thread Gene Heskett
On Tue, 14 Dec, 2021 at 12:31 AM, John Dammeyer wrote: To: 'enhanced machine controller (emc)' Todd, I'm not sure I 'get' how it works with the pinned gears. I built a different kind of flex cup drive based on a paper on what is called an HGD_EWG_Drive https://www.geartechnology.com/issues/10

Re: [Emc-users] making post square.

2021-12-12 Thread Gene Heskett
On Sun, 12 Dec, 2021 at 4:26 PM, Chris Albertson wrote: To: enhanced machine controller (emc) On Sun, Dec 12, 2021 at 12:39 PM Gene Heskett mailto:ghesk...@shentel.net>> wrote: > On Sun, 12 Dec, 2021 at 2:54 PM, Chris Albertson < > albertson.ch...@gmail.com<mailto:alberts

Re: [Emc-users] making post square.

2021-12-12 Thread Gene Heskett
On Sun, 12 Dec, 2021 at 2:54 PM, Chris Albertson wrote: To: enhanced machine controller (emc) I'm surprised that people don't use kinematics to remove the residual alignment errors that can't be mechanically removed. Of course, you can't remove tool orientation errors this way. If the z-ax

Re: [Emc-users] making post square.

2021-12-12 Thread Gene Heskett
On Sun, 12 Dec, 2021 at 12:13 PM, Chris Albertson wrote: To: enhanced machine controller (emc) Would "non-trivial kinematics" correct for non-square mechanical axis? It seems to me this is the way to correct the residual errors that all real-world machines have. IDK, Chris, no one has men

Re: [Emc-users] making post square.

2021-12-12 Thread Gene Heskett
On Sun, 12 Dec, 2021 at 12:01 PM, Andy Pugh wrote: To: enhanced machine controller (emc) > On 12 Dec 2021, at 17:40, Gene Heskett > mailto:ghesk...@shentel.net>> wrote: > > Is joint.N.cmd-pos the stable value I need? It might be motor-pos-cmd. I am not at home at the mom

Re: [Emc-users] making post square.

2021-12-12 Thread Gene Heskett
On Sun, 12 Dec, 2021 at 6:09 AM, me wrote: To: emc-users@lists.sourceforge.net Greetings all; I need access to the Z position that is G53 referenced as I need the absolute position on the post assuming the home switch abut 40 thou below the top is at 0.0. Which hal pin or signal gives m

[Emc-users] making post square.

2021-12-12 Thread Gene Heskett
Greetings all; I need access to the Z position that is G53 referenced as I need the absolute position on the post assuming the home switch abut 40 thou below the top is at 0.0. Which hal pin or signal gives me that value? Thank you. Cheers, Gene _

Re: [Emc-users] Tap size

2021-12-10 Thread Gene Heskett
On Fri, 10 Dec, 2021 at 3:44 AM, John Dammeyer wrote: To: 'enhanced machine controller (emc)' Well there are standards but more and more it doesn't look like they are being followed. Since this forum is all about CNC my request follows with the subject of power tapping. To hold the taps so the

Re: [Emc-users] Tap size

2021-12-09 Thread Gene Heskett
On Thu, 9 Dec, 2021 at 4:32 PM, johnd wrote: To: enhanced machine controller (emc) Hi Gene. Would you measure and post the results please.I bought a very expensive spiral tap that I expected would meet ISO or DIN standards. Not!Another I have also doesn't. So I'm curious. Thanks John Now y

Re: [Emc-users] Tap size

2021-12-09 Thread Gene Heskett
On Thu, 9 Dec, 2021 at 3:58 PM, johnd wrote: To: enhanced machine controller (emc) Mini surveyIf you have an M6 x1.0 tap in your tool box what is the shank and flat dimension?Sent from my Samsung S10 It will vary John, I have at least 3 of them, and no two are the same size. Get one and me

Re: [Emc-users] ER32 collet chuck

2021-12-07 Thread Gene Heskett
On Tue, 7 Dec, 2021 at 5:39 PM, John Dammeyer wrote: To: enhanced machine controller (emc) I'm thinking of ordering one of these for my 4th axis so that I can finally get LCNC to do more than just demonstrate that I can rotate it under computer control. It appears to fit the same registratio

Re: [Emc-users] Harmonic Drive

2021-12-02 Thread Gene Heskett
On Thu, 2 Dec, 2021 at 6:41 PM, Andy Pugh wrote: To: enhanced machine controller (emc) > On 2 Dec 2021, at 21:14, Todd Zuercher > mailto:to...@pgrahamdunn.com>> wrote: > > What if you used two outer ring gears of the same diameter one with one > fewer teeth. Then have 4 sets of planetari

Re: [Emc-users] to JD

2021-12-02 Thread Gene Heskett
cember 1, 2021, 11:03:20 AM MST, Gene Heskett mailto:ghesk...@shentel.net><mailto:ghesk...@shentel.net<mailto:ghesk...@shentel.net>>> wrote: its might, but being an animal fat will go rancid pretty fast. crisco keeps 3 days short of forever. I don't use a lot of it i

Re: [Emc-users] to JD

2021-12-02 Thread Gene Heskett
, but its a lousy lubricant. GC-4 has no surface tension so it allows metal to metal contact and high wear rates. On Wednesday, December 1, 2021, 11:03:20 AM MST, Gene Heskett mailto:ghesk...@shentel.net>> wrote: its might, but being an animal fat will go rancid pretty fast. crisco k

Re: [Emc-users] Harmonic Drive

2021-12-02 Thread Gene Heskett
On Thu, 2 Dec, 2021 at 3:43 AM, John Dammeyer wrote: To: 'enhanced machine controller (emc)' Nice to see that on Thingiverse. A couple of things that come to mind. That is one huge bearing. For the output shaft how much end play does it allow? An output shaft like that with a couple o

Re: [Emc-users] Harmonic Drive

2021-12-01 Thread Gene Heskett
not quite straight but have a slight arc to them. The bottom of the teeth are rounded to avoid hard points. This is the part as provided by the original author. John > -Original Message- > From: Gene Heskett [mailto:ghesk...@shentel.net<mailto:ghesk...@shentel.net>] >

Re: [Emc-users] Harmonic Drive

2021-12-01 Thread Gene Heskett
On Wed, 1 Dec, 2021 at 6:55 PM, John Dammeyer wrote: To: 'enhanced machine controller (emc)' Here's one of the things I would change on this project. www.autoartisans.com/harmonicdrive/HarmonicDrive-10.jpg 404 here The cavity is for the same sort of 16mm bearing with either a 6mm or 6.35mm

Re: [Emc-users] to JD

2021-12-01 Thread Gene Heskett
of my life I guess, I always buy just before the new model comes out. And is $50 cheaper. :-( On Wed, Dec 1, 2021 at 5:21 PM Gene Heskett mailto:ghesk...@shentel.net>> wrote: > On Wed, 1 Dec, 2021 at 6:10 PM, Sam Sokolik > mailto:samco...@gmail.com>> wrote: > >

Re: [Emc-users] to JD

2021-12-01 Thread Gene Heskett
temps PETG needs. On Wed, Dec 1, 2021, 5:02 PM Gene Heskett mailto:ghesk...@shentel.net>> wrote: > On Wed, 1 Dec, 2021 at 5:21 PM, John Dammeyer > mailto:jo...@autoartisans.com>> > wrote: ___ Emc-users mailing list Emc-users@lists.

Re: [Emc-users] Harmonic Drive

2021-12-01 Thread Gene Heskett
On Wed, 1 Dec, 2021 at 5:51 PM, John Dammeyer wrote: To: 'enhanced machine controller (emc)' >How about. Now it works. I can load the assembly but the embedded read only >characteristic is just plain rude. So the work around with Alibre is as >follows: Import the .step file. >Select o

Re: [Emc-users] to JD

2021-12-01 Thread Gene Heskett
0&linkCode=df0&hvadid=167152075853&hvpos=&hvnetw=g&hvrand=2257681426504032291&hvpone=&hvptwo=&hvqmt=&hvd > ev=c&hvdvcmdl=&hvlocint=&hvlocphy=9031026&hvtargid=pla-31599188&psc=1> > > Teflon is good stuff. It has low friction and is

[Emc-users] to JD

2021-12-01 Thread Gene Heskett
its might, but being an animal fat will go rancid pretty fast. crisco keeps 3 days short of forever. I don't use a lot of it in my cooking, so the lb can I have is like 6 or 8 years old. Take care John. ___ Emc-users mailing list Emc-users@lists.so

[Emc-users] to JD

2021-12-01 Thread Gene Heskett
I'll also add some white lithium grease and then run it for a number of hours. I suspect , That petroleum based grease will craze the plastic, Sam. You need a vegetable based grease or oil, crisco is cheaper than the "special" stuff for plastic, which I've used on the bb's in miine. OTOH th

Re: [Emc-users] [emc-users] Harmonic Drive

2021-11-30 Thread Gene Heskett
Hi John; I designed and built, from petg, the loose belt version based on Sam idea but quite a bit smaller. I can drive it with a 1NM 3 phase motor which has an 8mm d-flatted shaft after grinding the dflat quite a bit wider. No metal in the hub, its just a press fit on the motor shaft. Consist

Re: [Emc-users] Spindle positioning.

2021-11-24 Thread Gene Heskett
s shut down. Rough outline, I've probably forgotten something. > Thanks > John > > > -Original Message- > > From: Gene Heskett [mailto:ghesk...@shentel.net] > > Sent: November-23-21 7:44 PM > > To: emc-users@lists.sourceforge.net > > Subject: Re: [E

Re: [Emc-users] Spindle positioning.

2021-11-23 Thread Gene Heskett
d looking plantary inline reducers for nearly the same money that look stronger than a worm drive. > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers

Re: [Emc-users] Spindle positioning.

2021-11-23 Thread Gene Heskett
ion. I don't have room to put in > a locking set screw and it's too early for Loctite. low profile setscrews can be stacked, using the top one to lock the bottom one. Works pretty good. Take care John. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of lib

Re: [Emc-users] Spindle positioning.

2021-11-23 Thread Gene Heskett
stuck on forever. Show us a closeup pix with the socket removed. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the

Re: [Emc-users] Spindle positioning.

2021-11-22 Thread Gene Heskett
nd I have never replaced the drawbar. Tooling is > NMTB 30. Home shop use only. > > http://www.machineability.com/Bridgeport_series_II.html > > John > Sweet machine John, wish I had room for one like it. Cheers, Gene Heskett. -- "There are four boxes to be used in de

Re: [Emc-users] Spindle positioning.

2021-11-22 Thread Gene Heskett
is a notch in the edge of an r8, fits the head of a 4mm cap screw installed in the chuck adapter shank. That leaves the next weak point the pin that engages the slot in the side of the r8 to keep the r8 from slipping in the spindle. IMO thats too small to turn a 1" bit with. It will shear

Re: [Emc-users] Special for dave engvall

2021-11-22 Thread Gene Heskett
Apparently charter has blocked me as a spammer, I am not getting answers to my msgs sent since yesterday afternoon. Check your mail at charter with a browser, looking in the spam folder, if I'm in there, spank em. Cheers, Gene Heskett. -- "There are four boxes to be used in defense

Re: [Emc-users] Closed loop control of air motors.

2021-11-22 Thread Gene Heskett
open to stopped is about 1 turn. > Automatic brake release and fail safe engagement, but zero contact so > there's nothing to wear out or jam up. > > On Sunday, November 21, 2021, 07:57:34 AM MST, Gene Heskett > wrote: Close to the truth, However there might > be a salvatio

Re: [Emc-users] Spindle positioning.

2021-11-22 Thread Gene Heskett
it down. > > This could all happen in under 100mS and be almost transparent to an > > end user. > > > > There are times where I wish I had BMT-30 cone type tooling or just > > only TTS. > > John > > > > > > > > > >

Re: [Emc-users] Spindle positioning.

2021-11-22 Thread Gene Heskett
gic, its hidden behind the poorly finished mechanics. So go ahead, laugh at my stuff but it usually works well. That sheldon has been rode hard and put away wet, 13 thou of bed wear right in front of the spindle, but thanks to linuxcnc, it still cuts a pretty good cylinder 36" long. Ch

Re: [Emc-users] Spindle positioning.

2021-11-21 Thread Gene Heskett
l tweek for free. The impact driver, with a short 1/4" hex to 3/8" adapter should solve the socket dropping problem too. Cheers John, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (A

Re: [Emc-users] Closed loop control of air motors.

2021-11-21 Thread Gene Heskett
a picture. > > > John > > > > > > ___ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > >

Re: [Emc-users] Closed loop control of air motors.

2021-11-21 Thread Gene Heskett
he rear brakes on an old Schwinn bicycle? That was fairly compact and lasted close to forever. Just tossing out ideas to see if one sticks. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed

Re: [Emc-users] Spindle setup for 5i25/7i76

2021-11-19 Thread Gene Heskett
On Friday 19 November 2021 09:33:20 Alan Condit wrote: > Gene, > > Sorry, this message got sent in error. I was working on my wife’s iPad > and some how a draft of an old message got sent rather than deleted. > > Alan NP Alan, but did you get it fixed? > From: Gene Heskett

Re: [Emc-users] Spindle setup for 5i25/7i76

2021-11-18 Thread Gene Heskett
ther has even needed fresh brushes in years. > Sent from my iPad > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett. -- "There are four

Re: [Emc-users] Spindle setup for 5i25/7i76

2021-11-18 Thread Gene Heskett
king the encoder output with a decent triggered scope would serve as a speed chck by measureing the time from rising edge to the next rising edge, and taking the reciprical which would be the speed in rps, multiply by 60 for rpm. Cheers, Gene Heskett. -- "There are four boxes to be used in defense

Re: [Emc-users] 7i90 ethernet link

2021-11-15 Thread Gene Heskett
/CE0 Valid cookie matched hm2_rpspi: SPI0/CE0 Base: hm2_7i90.0 And does it as 4, 8 bit packets at a time. Interesting to watch, on a 4 trace 350 mhz scope, Siglents best. Take care and stay well Dave. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ba

Re: [Emc-users] Power Draw Bar

2021-11-14 Thread Gene Heskett
.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > > > > > > > > ___ > > > > Emc-users mailing list > > > > Emc-users@lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listi

Re: [Emc-users] Project Progress

2021-11-09 Thread Gene Heskett
it coffee cup but it hasn't helped. Too many other hobbies I guess. ;o) Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the

Re: [Emc-users] Project Progress

2021-11-04 Thread Gene Heskett
t; ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > ___ > Emc-users mailing list > Emc-users@lists.

Re: [Emc-users] Project Progress

2021-11-04 Thread Gene Heskett
; > >>> Was I too conservative on this? It's been suggested by a friend > >>> who runs MACH3 that he dials in a much faster feed and spindle > >>> rate and then hauls back on the sliders to reduce it to very slow > >>> and then in small steps bumps up the s

Re: [Emc-users] Mesa 7i90 as remote sserial

2021-10-29 Thread Gene Heskett
allace > Mesa Electronics > > (\__/) > (='.'=) This is Bunny. Copy and paste bunny into your > (")_(") signature to help him gain world domination. > > > > ___ > Emc-users mailing list > Emc-users@l

Re: [Emc-users] Fwd: Requesting a short history review, if you'd be so kind.

2021-10-28 Thread Gene Heskett
On Thursday 28 October 2021 11:45:49 Sam Sokolik wrote: > All my machines - steppers and servos are running pid.I think > Peter forgot to mention - The reason PID is recommended is because it > handles latency spikes way better. We have seen situations where a > latency spike confuses the hel

Re: [Emc-users] Fwd: Requesting a short history review, if you'd be so kind.

2021-10-28 Thread Gene Heskett
easure that and display it in turns and distance moved in real time. No PID's in the sheldon config as its all being done by a pi, at first a pi3b, now a pi4b, and its loafing. I did that just to see if I could, and I'd run the whole lot of these on pi's if the interfacing was cheaper

Re: [Emc-users] github problem?

2021-10-27 Thread Gene Heskett
l docs available. If I find it again I'll yelp. > On Tue, Oct 26, 2021 at 11:46 AM Gene Heskett wrote: > > Greetings all; > > > > Trying to use my email and and a passwd to clone a github repo, I > > just ran into a big can of worms. According to the error msg,

Re: [Emc-users] github problem?

2021-10-27 Thread Gene Heskett
On Wednesday 27 October 2021 10:34:24 Peter C. Wallace wrote: > On Tue, 26 Oct 2021, Gene Heskett wrote: > > Date: Tue, 26 Oct 2021 19:38:15 -0400 > > From: Gene Heskett > > Reply-To: "Enhanced Machine Controller (EMC)" > > > > To: emc-users@lists.

Re: [Emc-users] github problem?

2021-10-27 Thread Gene Heskett
On Tuesday 26 October 2021 15:00:48 Peter C. Wallace wrote: > On Tue, 26 Oct 2021, Gene Heskett wrote: > > Date: Tue, 26 Oct 2021 14:41:38 -0400 > > From: Gene Heskett > > Reply-To: "Enhanced Machine Controller (EMC)" > > > > To: "'E

[Emc-users] github problem?

2021-10-26 Thread Gene Heskett
reclone LinuxCNC without a problem on Sept 28th, well after the error msg said it should have been blocked. Can anyone clairify what is going on? Thanks all. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that

Re: [Emc-users] Mesa 7i90 as remote sserial

2021-10-24 Thread Gene Heskett
> > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use

Re: [Emc-users] Probing

2021-10-24 Thread Gene Heskett
On Sunday 24 October 2021 13:35:17 John Dammeyer wrote: > > From: Gene Heskett [mailto:ghesk...@shentel.net] > > > > On Sunday 24 October 2021 11:30:07 Feral Engineer wrote: > > > I use work with probe, but I am going to customize the routines a > > > littl

Re: [Emc-users] Probing

2021-10-24 Thread Gene Heskett
r, straight wire into it. Despite many repeated attempts to adjust it, has never come within 20 thou of making a repeatable finding. The plastic by now is cracked like a century old china bowl and was already crazed when it was shipped. Worthless when I paid nearly $200 for it several years a

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